US3135207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for displacing dielectric liquids
Assignee: CINCINNATI, University of, Research Foundation of
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Filing: 1961-07-19
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Granted: 1964-06-02
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Expires: 1981-07-19
Abstract
No abstract record available.
Inventors
- 👤 Glenn H Brown
- 👤 John F Dreyer
- 👤 Hyman R Lubowitz
- 👤 William H Middendorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:16
CPC Classifications
B; B01; B01D; B01D61/00; B01D61/42; B01D61/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
AN IMPELLER FOR AN IMCOMPRESSIBLE DIELECTRIC LIQUID, SAID IMPELLER COMPRISING A CONDUIT FILLED WITH SAID DIELECTRIC LIQUID, TWO ELECTRODES DISPOSED IN SAID CONDUIT AND IMMERSED IN SAID DIELECTRIC LIQUID,SAID ELECTRODES BEING CONFIGURATED IN RELATION TO SAID CONDUIT SO AS NOT TO BLOCK THE FLOW OF LIQUID IN SAID CONDUIT, AND MEANS FOR APPLYING HIGH-POTENTIAL, DIRECT CURRENT ELECTRIC ENERGY TO SAID ELECTRODES, THE POTENTIAL GRADIENT BETWEEN SAID ELECTRODES BEING OF THE ORDER OF SEVERAL THOUSAND VOLTS PER INCH.
Claim 2
Dependent Claim
77 words
AN IMPELLER FOR AN IMCOMPRESSIBLE DIELECTRIC LIQUID, SAID IMPELLER COMPRISING A CONDUIT FILLED WITH SAID DIELECTRIC LIQUID, TWO ELECTRODES DISPOSED IN SAID CONDUIT AND IMMERSED IN SAID DIELECTRIC LIQUID,SAID ELECTRODES BEING CONFIGURATED IN RELATION TO SAID CONDUIT SO AS NOT TO BLOCK THE FLOW OF LIQUID IN SAID CONDUIT, AND MEANS FOR APPLYING HIGH-POTENTIAL, DIRECT CURRENT ELECTRIC ENERGY TO SAID ELECTRODES, THE POTENTIAL GRADIENT BETWEEN SAID ELECTRODES BEING OF THE ORDER OF SEVERAL THOUSAND VOLTS PER INCH.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |